Home / 86,520.96-119,400.48-50,736.78

Finding the Fourth Proportional to 86,520.96, 119,400.48 and 50,736.78

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Solution

The fourth proportional to 86,520.96, 119,400.48 and 50,736.78 is: 70,017.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,520.96 : 119,400.48 = 50,736.78 : x
  2. Step 2: Convert to fraction form
    86,520.96/119,400.48 = 50,736.78/x
  3. Step 3: Cross multiply
    86,520.96x = 119,400.48 × 50,736.78
  4. Step 4: Simplify right side
    86,520.96x = 6,057,995,885.65
  5. Step 5: Solve for x
    x = 6,057,995,885.65/86,520.96
  6. Step 6: Final answer
    x = 70,017.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.